The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2007
Filed:
Nov. 02, 2004
Satoshi Tanaka, Hirakata, JP;
Teruhiko Tanaka, Neyagawa, JP;
Satoshi Tanaka, Hirakata, JP;
Teruhiko Tanaka, Neyagawa, JP;
Exedy Corporation, Osaka, JP;
Abstract
An impellerconfigures a fluid chamber and includes impeller bladesand an annular impeller hub. A turbineis disposed to face the impellerand includes turbine bladesand an annular turbine hubdisposed at an inner peripheral side of the turbine blades. A ball bearingis disposed between an inner peripheral surface of the impeller huband an outer peripheral surface of the turbine hub. A first stop ringthat engages with a first grooveand an engagement groovefixes the ball bearingwith respect to the impeller hubdue to the ball bearingand the impeller hubbeing brought into close proximity to each other in the axial direction. A second stop ringengaged with a second groovefixes the ball bearingand the turbine hub